pair,contact1,contact2,flow1,flow2 8ife_3E_,12,17,1,1 8ife_3E_,14,17,1,1 8ife_3E_,15,18,1,1 8ife_3E_,16,26,1,1 8ife_3E_,20,24,1,1 8ife_3E_,20,25,1,1 8ife_3E_,21,35,1,1 8ife_3E_,21,36,1,1 8ife_3E_,23,24,1,1 8ife_3E_,25,27,1,1 8ife_3E_,28,39,1,1 8ife_3E_,30,37,1,1 8ife_3E_,31,34,1,1 8ife_3E_,32,35,1,1 8ife_3E_,38,42,1,1 8ife_3E_,45,49,1,1 8ife_3E_,46,50,1,1 8ife_3E_,46,51,1,1